- any of numerous, usually brightly colored beetles, as of the families Malachiidae and Dasytidae, that live on flowers and are predaceous on other insects.
- any of certain scarabaeid beetles of the subfamily Cetoniinae that feed on pollen.
Origin of flower beetle
An Americanism dating back to 1835–45
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018